| Subject | ProMED: Cryptosporidiosis, water park - MN |
| From |  Gary Greenberg <gngreenberg@gmail.com> |
| Date | Saturday, April 21, 2012 23:01 |
| To | Occ-Env-Med Announcement Forum <bickisu@post.queensu.ca> |
----- Original Message -----
From: Gary Greenberg <gngreenberg@gmail.com>
Date: Saturday, April 21, 2012 23:19
Subject: ProMED: Cryptosporidiosis, water park - MN
To: Occ-Env-Med Announcement Forum <bickisu@post.queensu.ca>
> CRYPTOSPORIDIOSIS, WATER PARK - USA: (MINNESOTA)
> ************************************************
> A ProMED-mail post <http://www.promedmail.org>
> ProMED-mail is a program of the International Society for
> Infectious Diseases
> <http://www.isid.org>
>
> Date: Fri, Apr 20, 2012
> Source: Minnesota public radio [edited]
> <http://minnesota.publicradio.org/display/web/2012/04/19/water-park-outbreak/?utm_source=mprnews&utm_medium=hompepage&utm_term=h3story&utm_content=Health&utm_campaign=homepageopt>
>
> Water Park in Duluth, Minnesota, 97 cases
> -----------------------------------------
> 97 people have reported cases of cryptosporidiosis since last month's
> outbreak at Edgewater Resort and Water Park in Duluth, according to
> the Minnesota Department of Health.
>
> 22 of those cases have been confirmed in laboratories. Minnesota
> Department of Health (MDH) epidemiologist Trisha Robinson said the
> confirmed cases probably only represent a fraction of people who were
> actually sickened by the parasite. The investigation of the outbreak
> is still in progress.
>
> "One different thing with cryptosporidiosis is the time from
> when a
> person is exposed to the time when they become sick can be as
> long as
> 2 weeks," Robinsons said. "Pools were closed on 26 March, so we could
> still have people becoming ill 2 weeks after that, and their symptoms
> last anywhere from one to 2 weeks."
>
> Another unrelated cryptosporidiosis outbreak in Brainerd [Minnesota]
> last month resulted in 36 reported cases, with one case being
> confirmed in a laboratory. The symptoms of cryptosporidiosis include
> stomach cramps, fevers or diarrhea. It can be contracted by swimming
> in infected water, contact with animals or even drinking raw
> unpasteurized milk.
>
> "The way that cryptosporidiosis is typically introduced into the water
> park, and which we believe is the instance in both of these
> cases, is
> that it comes in from an infected user," Robinson said.
>
> In 2011, there were 305 laboratory-confirmed cases of
> cryptosporidiosis, according to preliminary MDH numbers.
> Robinson said
> one person was hospitalized in each of the Brainerd and Duluth
> outbreaks.
>
> "It certainly can be more dangerous to those who are
> immune-compromised: the children, the very elderly, pregnant
> individuals," Robinson said. "In Minnesota, we can see about 20
> percent of individuals that would require hospitalization for
> this, so
> it is something that can cause very serious illness." Robinson said
> that people who have been sick with diarrhea in the previous 2 weeks
> should avoid swimming in recreational waters.
>
> [Cryptosporidiosis is endemic in the United States and outbreaks in
> water parks have been reported before, although not as
> frequently as
> outbreaks in swimming pools. The statement here that
> "cryptosporidiosis is typically introduced into the water park … from
> an infected user", indicate that someone defecated in the water park
> and the drained water is reused [without adequate re-treatment. -
> Mod.JW].
>
> Health Map location: http://healthmap.org/r/2eyy - Mod. EP]
>
> [Photo of Edgewater Resort and Water Park in Duluth:
> <http://www.duluthnewstribune.com/media/full/jpg/2012/03/27/edge0328a_500px.jpg>
> - Mod.JW]
>
> --
> Gary Greenberg, MD MPH
> Sysop / Moderator Occ-Env-Med-L MailList
> www.OccHealthNews.net
> UNC Gillings School of Global Public Health
>
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__________________________________________
Uģis Bickis CIH,ROH,MEng,PhD
Environmental Hygienist / Toxicologist
Faculty (adjunct) -- Community Health & Epidemiology
-- Mining Engineering
Queen's University at Kingston, ON, Canada K7L 3N6
http://www.mine.queensu.ca/People/faculty/UgisBickis.html
http://bickisberzos.blogspot.ca/
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